package protocol
import (
- "encoding/json"
-
log "github.com/sirupsen/logrus"
- "github.com/vapor/common"
- "github.com/vapor/consensus"
- engine "github.com/vapor/consensus/consensus"
- dpos "github.com/vapor/consensus/consensus/dpos"
+ "github.com/vapor/config"
"github.com/vapor/errors"
+ "github.com/vapor/event"
"github.com/vapor/protocol/bc"
"github.com/vapor/protocol/bc/types"
"github.com/vapor/protocol/state"
"github.com/vapor/protocol/validation"
- "github.com/vapor/protocol/vm"
- "github.com/vapor/protocol/vm/vmutil"
)
var (
ErrBadBlock = errors.New("invalid block")
// ErrBadStateRoot is returned when the computed assets merkle root
// disagrees with the one declared in a block header.
- ErrBadStateRoot = errors.New("invalid state merkle root")
+ ErrBadStateRoot = errors.New("invalid state merkle root")
+ errBelowIrreversibleBlock = errors.New("the height of block below the height of irreversible block")
)
// BlockExist check is a block in chain or orphan
}
func (c *Chain) connectBlock(block *types.Block) (err error) {
+ irreversibleNode := c.bestIrreversibleNode
bcBlock := types.MapBlock(block)
if bcBlock.TransactionStatus, err = c.store.GetTransactionStatus(&bcBlock.ID); err != nil {
return err
if err := utxoView.ApplyBlock(bcBlock, bcBlock.TransactionStatus); err != nil {
return err
}
+
+ voteResult, err := c.consensusNodeManager.getBestVoteResult()
+ if err != nil {
+ return err
+ }
+ if err := voteResult.ApplyBlock(block); err != nil {
+ return err
+ }
+
node := c.index.GetNode(&bcBlock.ID)
- if err := c.setState(node, utxoView); err != nil {
+ if c.isIrreversible(node) && block.Height > irreversibleNode.Height {
+ irreversibleNode = node
+ }
+
+ if err := c.setState(node, irreversibleNode, utxoView, []*state.VoteResult{voteResult}); err != nil {
return err
}
+
for _, tx := range block.Transactions {
- for key, value := range tx.Entries {
- switch value.(type) {
- case *bc.Claim:
- c.store.SetWithdrawSpent(&key)
- default:
- continue
- }
- }
c.txPool.RemoveTransaction(&tx.Tx.ID)
}
return nil
func (c *Chain) reorganizeChain(node *state.BlockNode) error {
attachNodes, detachNodes := c.calcReorganizeNodes(node)
utxoView := state.NewUtxoViewpoint()
+ voteResults := []*state.VoteResult{}
+ irreversibleNode := c.bestIrreversibleNode
+ voteResult, err := c.consensusNodeManager.getBestVoteResult()
+ if err != nil {
+ return err
+ }
for _, detachNode := range detachNodes {
b, err := c.store.GetBlock(&detachNode.Hash)
if err := c.store.GetTransactionsUtxo(utxoView, detachBlock.Transactions); err != nil {
return err
}
+
txStatus, err := c.GetTransactionStatus(&detachBlock.ID)
if err != nil {
return err
}
+
if err := utxoView.DetachBlock(detachBlock, txStatus); err != nil {
return err
}
- log.WithFields(log.Fields{"height": node.Height, "hash": node.Hash.String()}).Debug("detach from mainchain")
+ if err := voteResult.DetachBlock(b); err != nil {
+ return err
+ }
+
+ log.WithFields(log.Fields{"module": logModule, "height": node.Height, "hash": node.Hash.String()}).Debug("detach from mainchain")
}
for _, attachNode := range attachNodes {
if err := c.store.GetTransactionsUtxo(utxoView, attachBlock.Transactions); err != nil {
return err
}
+
txStatus, err := c.GetTransactionStatus(&attachBlock.ID)
if err != nil {
return err
}
+
if err := utxoView.ApplyBlock(attachBlock, txStatus); err != nil {
return err
}
- log.WithFields(log.Fields{"height": node.Height, "hash": node.Hash.String()}).Debug("attach from mainchain")
- }
+ if err := voteResult.ApplyBlock(b); err != nil {
+ return err
+ }
- return c.setState(node, utxoView)
-}
+ if voteResult.IsFinalize() {
+ voteResults = append(voteResults, voteResult.Fork())
+ }
-func (c *Chain) consensusCheck(block *types.Block) error {
- if err := dpos.GDpos.CheckBlockHeader(block.BlockHeader); err != nil {
- return err
- }
+ if c.isIrreversible(attachNode) && attachNode.Height > irreversibleNode.Height {
+ irreversibleNode = attachNode
+ }
- if err := dpos.GDpos.IsValidBlockCheckIrreversibleBlock(block.Height, block.Hash()); err != nil {
- return err
+ log.WithFields(log.Fields{"module": logModule, "height": node.Height, "hash": node.Hash.String()}).Debug("attach from mainchain")
}
- if err := dpos.GDpos.CheckBlock(*block, true); err != nil {
- return err
+ if detachNodes[len(detachNodes)-1].Height <= c.bestIrreversibleNode.Height && irreversibleNode.Height <= c.bestIrreversibleNode.Height {
+ return errors.New("rollback block below the height of irreversible block")
}
- return nil
+ voteResults = append(voteResults, voteResult.Fork())
+ return c.setState(node, irreversibleNode, utxoView, voteResults)
}
// SaveBlock will validate and save block into storage
func (c *Chain) saveBlock(block *types.Block) error {
- bcBlock := types.MapBlock(block)
- parent := c.index.GetNode(&block.PreviousBlockHash)
-
- if err := c.consensusCheck(block); err != nil {
- return err
+ if err := c.validateSign(block); err != nil {
+ return errors.Sub(ErrBadBlock, err)
}
- if err := validation.ValidateBlock(bcBlock, parent, block); err != nil {
+ parent := c.index.GetNode(&block.PreviousBlockHash)
+ bcBlock := types.MapBlock(block)
+ if err := validation.ValidateBlock(bcBlock, parent); err != nil {
return errors.Sub(ErrBadBlock, err)
}
- if err := c.ProcessDPoSConnectBlock(block); err != nil {
- return err
+ signature, err := c.SignBlock(block)
+ if err != nil {
+ return errors.Sub(ErrBadBlock, err)
}
if err := c.store.SaveBlock(block, bcBlock.TransactionStatus); err != nil {
}
c.index.AddNode(node)
+
+ if len(signature) != 0 {
+ xPub := config.CommonConfig.PrivateKey().XPub()
+ if err := c.eventDispatcher.Post(event.BlockSignatureEvent{BlockHash: block.Hash(), Signature: signature, XPub: xPub[:]}); err != nil {
+ return err
+ }
+ }
return nil
}
for _, prevOrphan := range prevOrphans {
orphanBlock, ok := c.orphanManage.Get(prevOrphan)
if !ok {
- log.WithFields(log.Fields{"hash": prevOrphan.String()}).Warning("saveSubBlock fail to get block from orphanManage")
+ log.WithFields(log.Fields{"module": logModule, "hash": prevOrphan.String()}).Warning("saveSubBlock fail to get block from orphanManage")
continue
}
if err := c.saveBlock(orphanBlock); err != nil {
- log.WithFields(log.Fields{"hash": prevOrphan.String(), "height": orphanBlock.Height}).Warning("saveSubBlock fail to save block")
+ log.WithFields(log.Fields{"module": logModule, "hash": prevOrphan.String(), "height": orphanBlock.Height}).Warning("saveSubBlock fail to save block")
continue
}
func (c *Chain) processBlock(block *types.Block) (bool, error) {
blockHash := block.Hash()
if c.BlockExist(&blockHash) {
- log.WithFields(log.Fields{"hash": blockHash.String(), "height": block.Height}).Info("block has been processed")
+ log.WithFields(log.Fields{"module": logModule, "hash": blockHash.String(), "height": block.Height}).Info("block has been processed")
return c.orphanManage.BlockExist(&blockHash), nil
}
bestBlockHash := bestBlock.Hash()
bestNode := c.index.GetNode(&bestBlockHash)
+ c.cond.L.Lock()
+ defer c.cond.L.Unlock()
if bestNode.Parent == c.bestNode {
- log.Debug("append block to the end of mainchain")
+ log.WithFields(log.Fields{"module": logModule}).Debug("append block to the end of mainchain")
return false, c.connectBlock(bestBlock)
}
if bestNode.Height > c.bestNode.Height {
- log.Debug("start to reorganize chain")
+ log.WithFields(log.Fields{"module": logModule}).Debug("start to reorganize chain")
return false, c.reorganizeChain(bestNode)
}
return false, nil
}
-
-func (c *Chain) ProcessDPoSConnectBlock(block *types.Block) error {
- mapTxFee := c.CalculateBalance(block, true)
- if err := c.DoVoting(block, mapTxFee); err != nil {
- return err
- }
- return nil
-}
-
-func (c *Chain) DoVoting(block *types.Block, mapTxFee map[bc.Hash]uint64) error {
- for _, tx := range block.Transactions {
- to := tx.Outputs[0]
- msg := &dpos.DposMsg{}
-
- if err := json.Unmarshal(tx.TxData.ReferenceData, &msg); err != nil {
- continue
- }
- var (
- address common.Address
- err error
- )
- address, err = common.NewAddressWitnessPubKeyHash(to.ControlProgram[2:], &consensus.ActiveNetParams)
- if err != nil {
- address, err = common.NewAddressWitnessScriptHash(to.ControlProgram[2:], &consensus.ActiveNetParams)
- if err != nil {
- return errors.New("ControlProgram cannot be converted to address")
- }
- }
- hash := block.Hash()
- height := block.Height
- switch msg.Type {
- case vm.OP_DELEGATE:
- continue
- case vm.OP_REGISTE:
- if mapTxFee[tx.Tx.ID] >= consensus.RegisrerForgerFee {
- data := &dpos.RegisterForgerData{}
- if err := json.Unmarshal(msg.Data, data); err != nil {
- return err
- }
- c.Engine.ProcessRegister(address.EncodeAddress(), data.Name, hash, height)
- }
- case vm.OP_VOTE:
- if mapTxFee[tx.Tx.ID] >= consensus.VoteForgerFee {
- data := &dpos.VoteForgerData{}
- if err := json.Unmarshal(msg.Data, data); err != nil {
- return err
- }
- c.Engine.ProcessVote(address.EncodeAddress(), data.Forgers, hash, height)
- }
- case vm.OP_REVOKE:
- if mapTxFee[tx.Tx.ID] >= consensus.CancelVoteForgerFee {
- data := &dpos.CancelVoteForgerData{}
- if err := json.Unmarshal(msg.Data, data); err != nil {
- return err
- }
- c.Engine.ProcessCancelVote(address.EncodeAddress(), data.Forgers, hash, height)
- }
- }
- }
- return nil
-}
-
-func (c *Chain) CalculateBalance(block *types.Block, fIsAdd bool) map[bc.Hash]uint64 {
-
- addressBalances := []engine.AddressBalance{}
- mapTxFee := make(map[bc.Hash]uint64)
- var (
- address common.Address
- err error
- )
-
- for _, tx := range block.Transactions {
- fee := uint64(0)
- for _, input := range tx.Inputs {
-
- if len(tx.TxData.Inputs) == 1 &&
- (tx.TxData.Inputs[0].InputType() == types.CoinbaseInputType ||
- tx.TxData.Inputs[0].InputType() == types.ClainPeginInputType) {
- continue
- }
-
- fee += input.Amount()
- value := int64(input.Amount())
- address, err = common.NewAddressWitnessPubKeyHash(input.ControlProgram()[2:], &consensus.ActiveNetParams)
- if err != nil {
- address, err = common.NewAddressWitnessScriptHash(input.ControlProgram()[2:], &consensus.ActiveNetParams)
- if err != nil {
- continue
- }
- }
- if fIsAdd {
- value = 0 - value
- }
- addressBalances = append(addressBalances, engine.AddressBalance{address.EncodeAddress(), value})
- }
- for _, output := range tx.Outputs {
- fee -= output.Amount
- if vmutil.IsUnspendable(output.ControlProgram) {
- continue
- }
- value := int64(output.Amount)
- address, err = common.NewAddressWitnessPubKeyHash(output.ControlProgram[2:], &consensus.ActiveNetParams)
- if err != nil {
- address, err = common.NewAddressWitnessScriptHash(output.ControlProgram[2:], &consensus.ActiveNetParams)
- if err != nil {
- continue
- }
- }
- if !fIsAdd {
- value = 0 - value
- }
- addressBalances = append(addressBalances, engine.AddressBalance{address.EncodeAddress(), value})
- }
- mapTxFee[tx.Tx.ID] = fee
- }
-
- c.Engine.UpdateAddressBalance(addressBalances)
- return mapTxFee
-}
-
-func (c *Chain) RepairDPoSData(oldBlockHeight uint64, oldBlockHash bc.Hash) error {
- block, err := c.GetBlockByHash(&oldBlockHash)
- if err != nil {
- return err
- }
- if block.Height != oldBlockHeight {
- return errors.New("The module vote records data with a problem")
- }
- for i := block.Height + 1; i <= c.bestNode.Height; i++ {
- b, err := c.GetBlockByHeight(i)
- if err != nil {
- return err
- }
- if err := c.ProcessDPoSConnectBlock(b); err != nil {
- return err
- }
-
- }
- return nil
-}
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